3FRE	Oxidoreductase	date	Jan 08, 2009
title	S. Aureus Dhfr Complexed With Nadph And Tmp
authors	C.Oefner, E.Dale-Glenn
compound		source
Molecule: Dihydrofolate Reductase Chain: X Synonym: Dhfr Ec: 1.5.1.3 Engineered: Yes		Organism_scientific: Staphylococcus Aureus Organism_taxid: 1280 Gene: Fola Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: P 61 2 2	R_factor 0.239 R_Free 0.280
crystal cell	length a length b length c angle alpha angle beta angle gamma 79.328 79.328 107.781 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.20 Å
ligand	NDP, TOP BindingDB	enzyme	Oxidoreductase E.C.1.5.1.3 BRENDA
Gene Ontology	Chain Function Process Component X
Primary reference	Increased hydrophobic interactions of iclaprim with Staphylococcus aureus dihydrofolate reductase are responsible for the increase in affinity and antibacterial activity., Oefner C, Bandera M, Haldimann A, Laue H, Schulz H, Mukhija S, Parisi S, Weiss L, Lociuro S, Dale GE, J Antimicrob Chemother. 2009 Apr;63(4):687-98. Epub 2009 Feb 11. PMID:19211577

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (35 Kb) [Save to disk] Biological Unit Coordinates (3fre.pdb1.gz) 30 Kb LPC: Ligand-Protein Contacts for 3FRE CSU: Contacts of Structural Units for 3FRE Structure Factors (179 Kb) Retrieve 3FRE in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3FRE from S2C, [Save to disk] Re-refined 3fre structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3FRE in 3D

Proteopedia, because life has more than 2D. On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure. On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.

Visual 3D analysis of 3FRE

Ramachandran plot from PDBSum

Structure-derived information

Electron Density related parameters from EDS Electron Density Server, at Upsala Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 3FRE, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3fre] [3fre_X] SWISS-PROT database: [P0A017] Domain organization of [DYR_STAAU] by SWISSPFAM

Other resources with information on 3FRE

Community annotation for 3FRE at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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